buf = escape(parent.document.referrer);
	ref = "";
	for (i = 0; i < buf.length; i++) {
		str = buf.charAt(i);
		ref += (str == "+") ? "%2B" : str;
	}
	scr = screen.width+","+screen.height+","+screen.colorDepth;

	document.write('<IMG SRC="http://www.navi-city.com/cgi/counter/counter.cgi?LOG=sakura&MODE=a&DIGIT=8&FONT=number&REF=',ref,'&SCR=',scr,'" width="0" height="0" border="0">');